#include <stdio.h>

int main(int argc, char *argv[]) {

    for (size_t i = 1; i <= 9; i++)
    {
        for (size_t n = 1; n <= i; n++)
        {
            printf("%d*%d=%d ", i, n, i * n);
        }
        printf("\n");
    }
    


    return 0;
}